Claressa Shields and Christina Hammer clash for the undisputed women's World Middleweight Title on April 13th.

The BoxNation-televised unification features four belts as well as the inaugural Ring Magazine crown, leading many to regard this as the biggest ever female fight.

Shields is a double Olympic gold medallist and a two-weight World Champion at the age of 24, while Hammer has been reigning for nine years.

On the undercard, two unbeaten Heavyweights Otto Wallin and Jermaine Franklin are in action. We're live at 1.30am!

Shields v Hammer

Buy BoxNation to watch this show, as well as our upcoming schedule, for just £12 per month. We're live at 2am - remember the clocks go forward one hour at 1am.

*Please note, all fights subject to change without notice.

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Otto WALLIN v Nick KISNER

10 x 3 Minute Rounds: Heavyweight contest

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Follows

Jermaine FRANKLIN v Rydell BOOKER

10 x 3 Minute Rounds: Heavyweight contest

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Follows

Claressa SHIELDS v Christina HAMMER

10 x 2 Minute Rounds: The IBF, WBA, WBC & WBO World Female Heavyweight Titles

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